| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Transport | |
| #3 | Control | |
| #4 | Machines | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Copy machines | |
| #2 | Photographic composing devices | |
| #3 | Unspecified technologies | |
| #4 | Coin-freed | |
| #5 | Indexing scheme relating to hinges | |
| #6 | Ships | |
| #7 | Railway bodies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Frey Ernest H | 14 |
| #2 | Frey Frederick E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1744112A | Vending machine | |
| US1197927A | Addressing-machine. | |
| US1106553A | Receptacle for type-holders. | |
| US1149570A | Printing card and type holder. | |
| US967896A | Addressing-machine. | |
| US965448A | Type casting and tubing machine. | |
| CA115209A | Addressing machine | |
| US1140809A | Type-setting device. | |
| US871581A | Printing-card. | |
| US897888A | Addressing-machine. | |
| CA103607A | Cover for hatchways | |
| US834287A | Sectional cover for hatchways. | |
| US843804A | Hatch-fastener. | |
| US686514A | Drier-car. |